NASA announced Wednesday its planned mission to redirect an asteroid to an orbit near the moon for visits by astronauts will not bring back an entire object, but will instead retrieve a sizable boulder from an asteroid’s surface.
NASA’s Dawn spacecraft has returned new images captured on approach to entering orbit around Ceres on Friday, March 6th — the first mission to successfully visit a dwarf planet.
A new map released by NASA shows the distribution and intensity of more than 500 separate day and nighttime bolide (fireball) events recorded by U.S. government sensors in the period 1994-2013.
